Physics Questions and Answers
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
200J
4000J
2000J
500J
Correct answer is C
Kinetic Energy = mgh
= 20 x 10 x 10 J
= 2000J
What happens when three coplanar non-parallel forces are in equilibrium?
Their lines of action are parallel.
They are represented in magnitude only
They are represented in direction only
Their lines of action meet at a point
Correct answer is D
Conditions for non-parallel coplanar forces
Average
Zero
Negative
Positive
Correct answer is B
No explanation has been provided for this answer.
48N
12N
27N
36N
Correct answer is C
No explanation has been provided for this answer.
25.3kms-1
4.2kms-1
4.0kms-1
11.3kms-1
Correct answer is D
Vescape = \(\sqrt{2gR}\)
Vescape = \(\sqrt{2\times10\times6.4\times10^6}\)
Vescape = \(\sqrt{128000000}\)
Vescape = 11313.7085mS-1
Vescape = 11.313kmS-1